CN103728117A - System for collecting and analyzing water power test data of marine monitoring instrument device model - Google Patents
System for collecting and analyzing water power test data of marine monitoring instrument device model Download PDFInfo
- Publication number
- CN103728117A CN103728117A CN201310755686.0A CN201310755686A CN103728117A CN 103728117 A CN103728117 A CN 103728117A CN 201310755686 A CN201310755686 A CN 201310755686A CN 103728117 A CN103728117 A CN 103728117A
- Authority
- CN
- China
- Prior art keywords
- data
- monitoring instrument
- acquisition unit
- sensor
- marine monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a system for collecting and analyzing water power test data of a marine monitoring instrument device model. The system comprises measurement sensors, a data collector and a data analysis server. The measurement sensors comprise the sensors used for measuring the wind speed, the flow speed and wave height water power environment parameters and the sensor used for measuring target body performance parameters. The data collector comprises a real-time processor, an FPGA logic controller, collecting cards, a power source and a machine box. A channel of each collecting card is provided with a current sensor interface or a voltage sensor interface. The FPGA logic controller is connected with the collecting cards in a star topological mode and communicated through an SPI bus. The data analysis server comprises four main modules which are the data receiving module, the data storage module, the data analysis module and the data display module respectively. According to the system for collecting and analyzing the water power test data of the marine monitoring instrument device model, the functions that various measurement element data are synchronously collected, change of measurement elements are monitored in real time, and the test data are analyzed and managed are achieved, so that effective test technical measures are provided for evaluation of the work performance of a monitoring instrument device under the actual marine environment.
Description
Technical field
The present invention relates to the data collection and analysis technology for marine monitoring instrument and equipment model hydrodynamic test field, particularly relate to a kind of data collection and analysis system of carrying out the test of monitoring instrument device model under ocean dynamical environment experimental trough condition.
Background technology
The development of marine monitoring technology depends on the technical merit of various marine monitoring instrument and equipments, by carrying out marine monitoring instrument and equipment model hydrodynamic test, improve targetedly instrument and equipment R & D Level, strengthen its environmental suitability and job stability, the paces of motivating technical transformation of the factory with financial strength application, have vital role to research marine monitoring technology.Stormy waves mobilization force environment in laboratory and monitoring instrument device model performance are carried out to synchro measure, it is the technical theme of marine monitoring instrument and equipment model hydrodynamic test, exactly image data, scientifically analyze data, serviceability to monitoring instrument equipment under actual marine environment is assessed, thereby for the design parameter that improves monitoring instrument equipment provides foundation, improve the level of marine monitoring instrument and equipment model test and test.
Marine monitoring instrument and equipment model hydrodynamic test, need in the experimental trough of disposing data acquisition system (DAS), carry out, marine monitoring instrument and equipment mold portion is deployed in to flume experiment district, tank is realized the simulation to oceanic winds, wave, mobilization force environment, and data acquisition system (DAS) realizes the measurement to hydrodynamic environment and marine monitoring instrument and equipment performance.
At present, the data acquisition system (DAS) of setting up in all kinds of experimental troughs at home, not high to the data collection synchronous of multiple measurement key element, in the process of late time data analyzing and processing, often by methods such as data interpolatings, make up the problem of data poor synchronization, and lack experimental measurement data and analyze data system and manage, in process of the test, lack the real-time monitoring to measuring key element, thereby affect the accuracy of indoor model hydrodynamic test to the assessment of marine monitoring instrument and equipment serviceability, can not meet the demand of growing marine monitoring instrument and equipment model hydrodynamic test.
Summary of the invention
The problem existing for existing experimental trough data acquisition system (DAS), the present invention releases a kind of marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system of new structure, the performance data of wind, wave, mobilization force environmental data and marine monitoring instrument and equipment model in synchronous acquisition process of the test, analysis, storage, classification demonstration and the inquiry of historical data of realization to measurement data, and the system management to measurement data, analysis data and Test Information.The Clock management technology of data collection and analysis system employing data acquisition unit and multithreads computing technology realize the synchronous acquisition of multi-channel data, adopt data analytics server management exercise measurement data, analyze data etc., and after off-test, measurement data and test findings are carried out to statistical study, generate the testing journal sheet of set form, the data of the multiple measurement key element of synchronous acquisition have been realized, system management measurement data, analysis data and Test Information.
Carry out, in the experimental trough of marine monitoring instrument and equipment model hydrodynamic test, hydrodynamic environment analogue means being set, comprise current generating system, make the wave system wind making system of unifying, realize the simulation to oceanic winds, wave, mobilization force environment.Utilize data collection and analysis system involved in the present invention to complete the measurement to hydrodynamic environment and marine monitoring instrument and equipment performance.
Data collection and analysis system involved in the present invention is comprised of survey sensor, data acquisition unit and data analytics server.Survey sensor is arranged in experimental trough, and data acquisition unit and data analytics server are arranged on experimental trough outside, survey sensor connection data collector, data acquisition unit connection data Analysis server.
Survey sensor comprises the sensor that the hydrodynamic environment parameters such as wind speed, flow velocity, wave height are measured, and also comprises the sensor that the objective body performance parameters such as pressure, pulling force, impeller torque, wheel speed are measured.Survey sensor by measurement result with the formal output of simulating signal to data acquisition unit.
Data acquisition unit is arranged in cabinet, comprises real-time processor, fpga logic controller, capture card, power supply.Each capture card comprises 8 road acquisition channels, every paths all possesses the interface of current sensor or voltage sensor, and built-in signal filtering circuit and analog to digital conversion circuit, convert analog voltage signal or the analog current signal of survey sensor output to digital signal, then according to algorithm, raw data is converted respectively to the valid data such as wind speed, flow velocity, wave height, pressure, pulling force, impeller moment of torsion, wheel speed, and measurement data is carried out to this locality storage, finally by Ethernet by data upload.
Between fpga logic controller and capture card, adopt the mode of Star topology to be connected, by spi bus and capture card, communicate, can directly access the hardware resource on each capture card, realize multi-channel data acquisition is carried out to accurate timing, isopachics control.The built-in data transmission mechanism of fpga logic controller, can data transmission be arrived to real-time controller by pci bus, real-time processor receives the data of FPGA transmission, adopt algorithm to process data, convert raw data to effective measurement data, by his built-in flash memory, realize this locality storage to measurement data, and by built-in Ethernet interface, measurement data is uploaded to data analytics server;
The built-in data transmission mechanism of fpga logic controller, is connected by PCI parallel bus between fpga logic controller and real-time processor, by pci bus, data transmission, gives real-time controller.Fpga logic controller is connected by SPI universal serial bus with capture card.
Real-time processor receives the data of FPGA transmission by pci bus, adopt algorithm to process data, by its built-in flash memory, realize this locality storage to data, and by built-in Ethernet interface, by data upload after treatment to data analytics server.Real-time processor carries Vxworks real time operating system, and system call is carried out according to priority completely, has avoided competition between process and the deadlock and the choking phenomenon that cause.
Power supply provides 12V and 24V two-way DC-isolation Voltage-output, can be survey sensor and data acquisition unit power supply.Cabinet is the protective cover of data acquisition unit, and electromagnetic interference signal in shield test reactor environment, for being arranged on cabinet inside circuit and power supply heat sinking, is avoided aqueous vapor, the corrosion of salinity to them, thus guarantee data acquisition unit reliably, efficiently operation.
Data analytics server comprises four main modular, is respectively data reception module, data memory module, data analysis module and data disaply moudle.Data analytics server, by the real-time processor of Ethernet connection data collector, receives the data that data acquisition unit is uploaded, and data is carried out to Error processing, analysis and classification and show, stores measurement data, analysis data into local hard disk.
Marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system of the present invention, realize the multiple measurement factor data of synchronous acquisition, the function of variation, analysis and the management exercise data of control measurement key element in real time, thereby provide effective experimental technique means for the environmental data and objective body performance data, the serviceability of assessment monitoring instrument equipment under actual marine environment that gather indoor marine monitoring instrument and equipment model hydrodynamic test.
Accompanying drawing explanation
Fig. 1 is the schematic layout pattern of marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system of the present invention in experimental trough;
Fig. 2 is the theory diagram of marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system of the present invention;
Fig. 3 is the structured flowchart of data acquisition unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
Fig. 1 shows the layout of marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system of the present invention in experimental trough.As shown in Figure 1, long 75 meters of tank, wide 1.6 meters, dark 2 meters, 1.2 meters of operating depths.In experimental trough, carry out marine monitoring instrument and equipment model hydrodynamic test, current generating system 1 is installed in tank and is overlapped (Peak Flow Rate 1.5m/s, accuracy ± 5%F.S), make wave system system 1 cover (wave height scope (0.02m-0.4m, accuracy ± 4%F.S; Period of wave scope 0.5s-5s, accuracy ± 4%F.S), wind making system 1 overlaps (maximum wind velocity 10m/s, accuracy ± 10%F.S), thereby realizes simulation to oceanic winds, wave, mobilization force environment.For current generating system, influent stream mouth is set respectively in experimental trough and goes out head piece, circulating line and water pump are installed in tank body bottom, by water pump, driven the circulating water flow that generates 0-1.5m/s scope between tank body and circulating line.For making wave system system, in influent stream mouth one side, wave making machine is installed, by wave making machine, drive wave paddle to generate wave.For wind making system, install and make blower fan going out head piece one side, by the wind of making blower fan and generate 0-10m/s scope.In process of the test, monitoring instrument device model need to be deployed in to stormy waves stream immixture test site, respectively wave height survey sensor, flow speed measurement sensor, wind speed measuring sensor are deployed in to each measuring point, according to the requirement of different tests, selectively pulling force sensor, pressure transducer, wheel speed sensor, impeller torque sensor are deployed on model, by data collection and analysis system to the measurement data demonstration that gathers, stores, analyzes and classify.
Fig. 2 is the theory diagram of marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system of the present invention.As shown in Figure 2, the data collection and analysis system of the embodiment of the present invention is comprised of survey sensor, data acquisition unit, data analytics server three parts.Survey sensor is fixed on each measuring position of experimental trough by support and intermediate plate, the output terminal of survey sensor is used three-wire system Shielded Twisted Pair to be connected to the aviation plug of data acquisition unit input end, and in Shielded Twisted Pair, three-wire system is respectively positive power line, signal wire and ground wire.By Shielded Twisted Pair survey sensor, the measuring-signal of output is transferred to data acquisition unit, and data acquisition unit provides its required direct current 12V and 24V operating voltage by Shielded Twisted Pair for survey sensor.Data acquisition unit comprises real-time processor, fpga logic controller, capture card, power supply and cabinet.Each capture card passage all possesses the interface of current sensor or voltage sensor, and built-in signal filtering circuit and analog to digital conversion circuit, completes the conditioning to survey sensor output signal, and converts curtage signal to digital signal.Between fpga logic controller and capture card, adopt the mode of Star topology to be connected, and communicate by spi bus and capture card, can directly access the hardware resource on each capture card, thereby realize, multi-channel data acquisition be carried out to accurate timing, isopachics control.The built-in data transmission mechanism of fpga logic controller, can arrive real-time controller data transmission by pci bus.Real-time processor receives the data of FPGA transmission, adopt algorithm to process data, convert raw data to valid data, by his built-in flash memory, realize this locality storage to measurement data, and by built-in Ethernet interface, by data upload after treatment to server.Power supply provides 12V and 24V two-way DC-isolation voltage for sensor, for data acquisition unit provides direct current 24V operating voltage.Cabinet is used corrosion-resistant, high-intensity aluminum alloy materials, and shell adopts reinforcing rib structure; The seam crossing that each side plate of cabinet connects all adopts groove design, in inside grooves, corrosion resistance O-ring seal is installed, the sealing property of entirety after the installation of assurance cabinet; The seam outside of cabinet side board adopts sealant sealing, further strengthens the water-tight performance of casing.Use the RJ45 interface between Ethernet netting twine connection data collector output terminal and data analytics server input end, to realize data acquisition unit, by Ethernet, measurement data is uploaded to data analytics server.Error processing, analysis, storage and classification that data analytics server completes measurement data show.
Survey sensor is realized the measurement to objective body performances such as the hydrodynamic environments such as wind speed, flow velocity, wave height and pressure, pulling force, impeller torque, wheel speeds, and by measurement result with the formal output of current signal or voltage signal to data acquisition unit.
Fig. 3 shows the basic structure of data acquisition unit of the present invention.Shown in data acquisition unit be responsible for gathering synchronously, continuously marine monitoring instrument and equipment model and at experimental trough, carry out the dynamic environment data such as wind speed in process of the test, flow velocity, wave height, period of wave, and the objective body performance data such as pulling force, pressure, wheel speed, impeller moment of torsion, electric power, and measurement data is uploaded to server by Ethernet.As shown in Figure 2, data acquisition unit mainly comprises capture card, fpga logic controller, real-time processor, power supply and cabinet.Each capture card comprises 8 road acquisition channels, every paths all possesses the interface of current sensor or voltage sensor, and built-in signal filtering circuit and analog to digital conversion circuit, complete the conditioning to survey sensor output signal, and convert curtage signal to digital signal.Between FPGA and capture card, adopt the mode of Star topology to be connected, and communicate by spi bus and capture card, can directly access the hardware resource on each capture card, thereby realize, multi-channel data acquisition be carried out to accurate timing, isopachics control.The built-in data transmission mechanism of fpga logic controller, can arrive real-time controller data transmission by pci bus.Fpga logic controller adopts the active crystal oscillator of 40MHz, after frequency multiplication or frequency division, drives the clock of internal logic unit or peripheral hardware, and internal operation clock frequency reaches as high as 500MHz, thereby guarantees the accuracy of high speed acquisition clock.FPGA internal clocking administration module adopts the method for digital delay phase-locked loop, eliminates time delay, the frequency synthesis of clock, the phase place of adjustment clock, realizes zero clock drift, eliminates the distribution time delay of clock, and realizes the closed-loop control of clock.And it is upper for synchronous external chip, by integrated the clock control inside and outside chip that clock can be mapped to printed circuit board PCB.By said method, guaranteed well the synchronism of system multi-channel data acquisition.Real-time processor carries Vxworks real time operating system, and system call is carried out according to priority completely, has avoided competition between process and the deadlock and the choking phenomenon that cause.Pass through pci bus, real-time processor receives the data of FPGA transmission, adopt algorithm to process data, raw data is converted to the valid data such as wind speed, flow velocity, wave height, pressure, by built-in flash memory, realize this locality storage to data, and by built-in Ethernet interface, by data upload after treatment to data analytics server.Power supply provides 12V and 24V two-way DC-isolation Voltage-output, can provide efficient, pure power supply for survey sensor and data acquisition unit.Cabinet is the protective cover of data acquisition unit, and electromagnetic interference signal in shield test reactor environment, for being arranged on cabinet inside monitoring platform and power supply heat sinking, is avoided aqueous vapor, the corrosion of salinity to them, thus guarantee data acquisition unit reliably, efficiently operation.
As shown in Figure 2, data analytics server mainly comprises four main modular, is respectively data reception module, data memory module, data analysis module and data disaply moudle.Data analytics server receives by Ethernet the measurement data that data acquisition unit is uploaded, and Error processing, analysis, storage and the classification of complete paired data show (numerical value, figure).
(1) data reception module: data analytics server is put into buffer queue by data after receiving the packet that data acquisition unit uploads immediately, waits for that data analysis module processes and analysis data.Adopt caching technology, can uploading data is temporary, when data analytics server load is heavier, postpones deal with data, thereby avoid the data that data acquisition unit is sent to abandon.
(2) data analysis module: data analysis module meeting poll buffer queue, after taking out data, first packet is resolved, data are corresponded on each survey sensor device, then utilize the corrected parameter of setting in advance to revise data, and as requested data are carried out to Error processing, comprise the processing to systematic error, stochastic error and anomalous differences.After to data processing, data analysis module can carry out statistical study (maximal value, minimum value, mean value, mean square deviation) to data, and frequency domain spectra analysis.
(3) data memory module: data analysis module, to data analysis and after processing, sends data to be stored in local hard drive.The storage of data is adopted to asynchronous system operation, can greatly reduce the burden of data analytics server, improve Whole Response speed.
(4) data disaply moudle: provide single channel or multichannel mode to show numerical value, waveform or the frequency spectrum of monitoring key element, and can realize the Zoom display to data waveform or frequency spectrum.In addition, this module provides the inquiry of historical data and shows service, according to querying condition, according to test number or time inquiring, selects qualified test, with form intuitively, the test figure of searching is displayed.
After switching on power, the data collection and analysis system of having disposed can enter duty: first respectively to data acquisition unit, data analytics server power supply, when after the ambient stables such as experimental trough apoplexy, wave, stream, log-on data collector, then powers on to respectively each survey sensor by data acquisition unit by predetermined sequential.After sensor has powered on, data acquisition unit starts to gather the output signal of survey sensor, signal is carried out to filtering processing, complete the conversion of simulating signal to digital signal, and according to algorithm, raw data is converted to the valid data such as wind speed, flow velocity, wave height, pressure, pulling force, impeller moment of torsion, wheel speed, then by Ethernet by data upload to data analytics server.Receive after the data that data acquisition unit uploads, data analytics server is carried out Error processing, analysis, storage and classification to measurement data and is shown.
Claims (4)
1. a marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system, is characterized in that comprising survey sensor, data acquisition unit and data analytics server; Survey sensor is arranged in experimental trough, and data acquisition unit and data analytics server are arranged on experimental trough outside, survey sensor connection data collector, data acquisition unit connection data Analysis server;
Survey sensor comprises the sensor that wind speed, flow velocity, wave height hydrodynamic environment parameter are measured, also comprise the sensor that pressure, pulling force, impeller torque, wheel speed objective body performance parameter are measured, survey sensor by measurement result with the formal output of simulating signal to data acquisition unit;
Data acquisition unit comprises real-time processor, fpga logic controller, capture card, power supply and cabinet; Each capture card passage all possesses the interface of current sensor and voltage sensor, converts analog voltage signal and the analog current signal of survey sensor output to digital signal; Between fpga logic controller and capture card, adopt the mode of Star topology to be connected, and communicate by spi bus and capture card;
Data analytics server comprises four main modular, is respectively data reception module, data memory module, data analysis module and data disaply moudle.
2. marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system according to claim 1, is characterized in that, between described capture card and fpga logic controller, adopts SPI universal serial bus to be connected.
3. marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system according to claim 1, it is characterized in that, between described fpga logic controller and real-time processor, adopt PCI parallel bus to be connected, real-time processor is responsible for the transmission of data analysis, file.
4. marine monitoring instrument and equipment model hydrodynamic test data collection and analysis system according to claim 1, is characterized in that, between described data analytics server and data acquisition unit, adopts Ethernet to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755686.0A CN103728117B (en) | 2013-12-27 | 2013-12-27 | System for collecting and analyzing water power test data of marine monitoring instrument device model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755686.0A CN103728117B (en) | 2013-12-27 | 2013-12-27 | System for collecting and analyzing water power test data of marine monitoring instrument device model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103728117A true CN103728117A (en) | 2014-04-16 |
| CN103728117B CN103728117B (en) | 2016-09-07 |
Family
ID=50452287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755686.0A Expired - Fee Related CN103728117B (en) | 2013-12-27 | 2013-12-27 | System for collecting and analyzing water power test data of marine monitoring instrument device model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103728117B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375894A (en) * | 2014-12-02 | 2015-02-25 | 天津航空机电有限公司 | Sensor data processing device and method based on queue technology |
| CN104458205A (en) * | 2014-12-08 | 2015-03-25 | 国家海洋技术中心 | Circulating-water-flow wave flow testing device |
| CN106710193A (en) * | 2016-12-30 | 2017-05-24 | 中国机械工业集团有限公司 | Power supply and data acquisition circuit distributing and integrating device for portable vibration pickup |
| CN109883645A (en) * | 2019-03-15 | 2019-06-14 | 上海交通大学 | The equivalent simulation method and apparatus of floating blower model test floating motion |
| CN110849652A (en) * | 2019-12-06 | 2020-02-28 | 中国交通建设股份有限公司 | Intelligent control method and system for physical model test process |
| CN111337222A (en) * | 2020-03-24 | 2020-06-26 | 大连理工大学 | Event-triggered wave pool/water tank experimental device and method thereof |
| CN111400367A (en) * | 2020-02-28 | 2020-07-10 | 金蝶蝶金云计算有限公司 | Business report generation method and device, computer equipment and storage medium |
| CN113706974A (en) * | 2021-09-07 | 2021-11-26 | 哈尔滨工业大学（威海） | Ocean exploration technology teaching experiment system |
| CN115979350A (en) * | 2023-03-20 | 2023-04-18 | 北京航天华腾科技有限公司 | Data acquisition system of ocean monitoring equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100516872C (en) * | 2005-12-12 | 2009-07-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | In-situ monitoring device for liquefaction of seabed soil |
| CN202188950U (en) * | 2011-08-31 | 2012-04-11 | 国家海洋技术中心 | Wind-current-wave test device of vertical circulation water flows |
| CN102721440A (en) * | 2012-06-26 | 2012-10-10 | 中国地质调查局水文地质环境地质调查中心 | Online marine distributed temperature, salinity and depth flow dynamic real-time monitoring system |
-
2013
- 2013-12-27 CN CN201310755686.0A patent/CN103728117B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 杨宁等: "风浪流水槽分布式数据采集与分析系统设计", 《电子测量技术》, vol. 36, no. 5, 31 May 2013 (2013-05-31) * |
| 胡晖等: "基于NI CompactRIO的航天TEM网络遥测系统设计", 《数据采集与处理》, 31 December 2010 (2010-12-31) * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375894A (en) * | 2014-12-02 | 2015-02-25 | 天津航空机电有限公司 | Sensor data processing device and method based on queue technology |
| CN104375894B (en) * | 2014-12-02 | 2018-05-15 | 天津航空机电有限公司 | A kind of sensing data processing unit and method based on queue technology |
| CN104458205A (en) * | 2014-12-08 | 2015-03-25 | 国家海洋技术中心 | Circulating-water-flow wave flow testing device |
| CN106710193A (en) * | 2016-12-30 | 2017-05-24 | 中国机械工业集团有限公司 | Power supply and data acquisition circuit distributing and integrating device for portable vibration pickup |
| CN109883645A (en) * | 2019-03-15 | 2019-06-14 | 上海交通大学 | The equivalent simulation method and apparatus of floating blower model test floating motion |
| CN110849652A (en) * | 2019-12-06 | 2020-02-28 | 中国交通建设股份有限公司 | Intelligent control method and system for physical model test process |
| CN111400367A (en) * | 2020-02-28 | 2020-07-10 | 金蝶蝶金云计算有限公司 | Business report generation method and device, computer equipment and storage medium |
| CN111400367B (en) * | 2020-02-28 | 2023-12-29 | 金蝶蝶金云计算有限公司 | Service report generation method, device, computer equipment and storage medium |
| CN111337222A (en) * | 2020-03-24 | 2020-06-26 | 大连理工大学 | Event-triggered wave pool/water tank experimental device and method thereof |
| CN113706974A (en) * | 2021-09-07 | 2021-11-26 | 哈尔滨工业大学（威海） | Ocean exploration technology teaching experiment system |
| CN115979350A (en) * | 2023-03-20 | 2023-04-18 | 北京航天华腾科技有限公司 | Data acquisition system of ocean monitoring equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103728117B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103728117A (en) | System for collecting and analyzing water power test data of marine monitoring instrument device model | |
| Mudumbe et al. | Smart water meter system for user-centric consumption measurement | |
| CN201035054Y (en) | Portable electric energy quality monitoring analyzer based on double CPU mode | |
| CN108093081A (en) | Building operation data collecting system and method based on the Internet of Things LoRa communication technologys | |
| CN104833393A (en) | Transmission line iced conductor galloping aerodynamic parameter monitoring device and monitoring method | |
| CN204229267U (en) | A kind of SCM Based multiplex temperature collection control system | |
| CN203930095U (en) | A kind of integrated meteorology monitoring instrument | |
| CN204085562U (en) | A kind of wireless mine environment monitoring system based on ZigBee and GPRS | |
| CN202676933U (en) | High-accuracy user-friendly meteorological collection device for solar power supply system | |
| CN102661758B (en) | Movable and portable energy consumption detector | |
| CN204944567U (en) | A kind of teletransmission ultrasonic water meter with pressure detection | |
| CN204758062U (en) | Intelligent teletransmission gas of thing networking table | |
| CN100459639C (en) | High-speed sampling wireless sensing network node | |
| CN203337187U (en) | Wind driven generator test machine case | |
| CN202793450U (en) | Data monitoring and acquiring device for small photovoltaic power generation system | |
| CN202631002U (en) | Mobile portable type energy consumption detector | |
| CN205450178U (en) | Transmission line fault locating on -line monitoring device | |
| Soy et al. | A LoRa-based Low Power Wide Area Network Application for Agricultural Weather Monitoring | |
| Kang et al. | Implementation of condition monitoring and control system for small-scale wind turbines | |
| CN105513311A (en) | Electric power system data acquisition device | |
| CN203870788U (en) | Heat data collection device based on MBUS (meter bus) | |
| CN203732929U (en) | Energy source data acquisition terminal | |
| Hossain et al. | Performance evaluation of 1.68 Kwp DC operated solar pump with auto tracker using microcontroller based data acquisition system | |
| Mnati et al. | Design and implementation low cost of photovoltaic monitoring system network based on LoRaWAN | |
| CN206610140U (en) | A kind of monitoring system of wind power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |